Questions on summarization

Q1. Summarize the network given below:
172.16.0.0/24
172.16.1.0/24
172.16.2.0/24
172.16.3.0/24

Q2. Summarize the network given below:

172.16.4.0/24
172.16.5.0/24
172.16.6.0/24
172.16.128.0/24

Q3. Summarize the network given below:

172.1.4.0/25
172.1.4.128/25
172.1.5.0/24
172.1.6.0/24
172.1.7.0/24

Q4. Summarize the network given below:

192.168.1.0/24

192.168.2.0/24

192.168.3.0/24

192.168.4.0/24

Q5. Summarize the network given below:

192.168.0.0/24
192.168.1.0/24
192.168.2.0/24
192.168.3.0/24
192.168.4.0/24
192.168.5.0/24
192.168.6.0/24
192.168.7.0/24

Q6. Summarize the network given below:

192.168.112.0/24
192.168.113.0/24
192.168.114.0/24
192.168.115.0/24
192.168.116.0/24
192.168.117.0/24
192.168.118.0/24
192.168.119.0/24

Q7. Summarize the network given below:

10.1.1.0/24
10.1.2.0/24
10.1.3.0/24
10.1.4.0/24

Q8. Summarize the network given below:

10.10.1.0/27
10.10.1.32/28
10.10.1.48/26
10.10.1.64/25
10.10.1.128/25

Q9. Summarize the network given below:

10.10.1.0/27
10.10.1.32/28
10.10.1.48/28
10.10.1.64/26
10.10.1.128/29
10.10.1.136/29
10.10.1.144/28

Best of Luck !

Subnetting/supernetting Examples

Q1.      IP address: 130.45.34.58/20 What is the subnet address?

Q2.      IP address: 19.30.80.5/18 What is the subnet address?

Q3.      A company is granted the site address 201.70.64.0. The company needs six subnets.Design the subnets.

Q4.      A company needs 1000 addresses. Which of the following set of class C blocks can be used to form a supernet for this company?
            A.            198.47.32.0         198.47.33.0         198.47.34.0

B.            198.47.32.0         198.47.42.0         198.47.52.0         198.47.62.0

C.            198.47.31.0         198.47.32.0         198.47.33.0         198.47.52.0

D.            198.47.32.0         198.47.33.0         198.47.34.0         198.47.35.0

Q5.      We need to make supernetwork out of 16 class C blocks. What is the supernet mask?

Q6.      A supernet has a first address of 205.16.32.0/21. A router receives three packets with the          following destination addresses:

   205.16.37.44

   205.16.42.56

   205.17.33.76

Q7.      A supernet has a first address of 205.16.32.0/21. How many blocks are in this supernet and      what is range of addresses?

Q8.       Which of the following can be beginning address of a block that contains 16 addresses?

                A.            205.16.37.32

                B.            190.16.42.44

                C.            17.17.33.80

                D.            123.45.24.52

Q9.       Which of the following can be the beginning address of a block that contains 1024                    addresses?

                A.            205.16.37.32

                B.            190.16.42.0

                C.            17.17.32.0

                D.            123.45.24.52

Q10.    A small firm is given a block with the beginning address and the prefix length                         205.16.37.24/29.

            What is the range of the block?

Q11.    What is the network address if one of the addresses is 167.199.170.82/27?

Q12.    An organization is granted the block 130.34.12.64/26. The organization needs to have four     subnets. What are the subnet addresses and the range of addresses for each subnet?

Q13.    An ISP granted a block of addresses starting with 190.100.0.0/16. The ISP needs to                 distribute these addresses to three groups of customers as follows:

   1.       The first group has 64 customers; each needs 256 addresses.

   2.       The second group has 128 customers; each needs 128 addresses.

   3.       The third group has 128 customers; each needs 64 addresses.

   Design the subblocks and give the slash notation for each subblock. Find out how many          addresses are still available after these allocations.

Best of Luck !

Answer Carefully

Also give reason why they will ping or not?
All the best!

Please answer this?

1. Which of the following protocols are examples of TCP/IP transport layer protocols?
(Choose two answers.)
a. Ethernet
b. HTTP
c. IP
d. UDP
e. SMTP
f. TCP

2. Which of the following protocols are examples of TCP/IP network access layer
protocols? (Choose two answers.)
a. Ethernet
b. HTTP
c. IP
d. UDP
e. SMTP
f. TCP
g. PPP

3. The process of HTTP asking TCP to send some data and making sure that it is received
correctly is an example of what?
a. Same-layer interaction
b. Adjacent-layer interaction
c. OSI model
d. All of these answers are correct.

4. The process of TCP on one computer marking a TCP segment as segment 1, and the
receiving computer then acknowledging the receipt of TCP segment 1 is an example
of what?
a. Data encapsulation
b. Same-layer interaction
c. Adjacent-layer interaction
d. OSI model
e. All of these answers are correct.

5. The process of a web server adding a TCP header to the contents of a web page,
followed by adding an IP header, and then adding a data link header and trailer is an
example of what?
a. Data encapsulation
b. Same-layer interaction
c. OSI model
d. All of these answers are correct.

6. Which of the following terms is used specifically to identify the entity created when
encapsulating data inside data link layer headers and trailers?
a. Data
b. Chunk
c. Segment
d. Frame
e. Packet
f. None of these—there is no encapsulation by the data link layer.

7. Which OSI layer defines the functions of logical network-wide addressing and
routing?
a. Layer 1
b. Layer 2
c. Layer 3
d. Layer 4
e. Layer 5
f. Layer 6
g. Layer 7